Key facts
Production status: End-of-life
Release date: 2014-01-20
Cores / Threads: 4 / 8
Base clock: 3100 MHz
Turbo clock: 4000 MHz
TDP: 57 W
Process: 22 nm
Codename: Haswell
Generation: Core i7 Extreme (Haswell)
All available specs
| Field | Value |
|---|---|
| name | Core i7-4940MX |
| Socket | Intel Socket G3 |
| Foundry | Intel |
| Process Size | 22 nm |
| Transistors | 1,400 million |
| Die Size | 177 mm² |
| Package | FC-PGA946 |
| Market | Mobile |
| Production Status | End-of-life |
| Release Date | Jan 20th, 2014 |
| Part# | SR1PP |
| Frequency | 3.1 GHz |
| Turbo Clock | up to 4 GHz |
| Base Clock | 100 MHz |
| Multiplier | 31.0x |
| Multiplier Unlocked | Yes |
| Codename | Haswell |
| Generation | Core i7 Extreme (Haswell) |
| Memory Support | DDR3 |
| ECC Memory | No |
| # of Cores | 4 |
| # of Threads | 8 |
| SMP # CPUs | 1 |
| Integrated Graphics | Intel HD 4600 |
| Cache L1 | 64 KB (per core) |
| Cache L2 | 256 KB (per core) |
| Features | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, AVX2, EIST, Intel 64, XD bit, VT-x, HTT, AES-NI, TXT, TSX, CLMUL, FMA3 |
| Notes | This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.Intel HD 4600 frequency: 400-1350MHz |
| Rated Speed | 1600 MT/s |
| Memory Bus | Dual-channel |
| Memory Bandwidth | 25.6 GB/s |
| Launch Price | $1,096 |
| PCI-Express | Gen 3, 16 Lanes (CPU only) |
| Cache L3 | 8 MB (shared) |
| tCaseMax | 100°C |
| Chipsets | QM87, HM87, HM86 |
| Benchmark rank | 1002 |
| Benchmark samples | 134 |
| Benchmark price | 699.95 |
| Benchmark category | Laptop |
| Benchmark socket | FPGA946,FPGA947 |
| Benchmark date | 2014-03-01 |
| Benchmark TDP (W) | 57 |
| Benchmark base (MHz) | 3100 |
| Benchmark turbo (MHz) | 4000 |
| Benchmark cores | 4 |
| Benchmark threads per core | 2 |
| Benchmark threads | 8 |